AMD MB500 User manual

MB500
AMD Geode LX
Mini ITX Motherboard
USER’S MANUAL
Version 1.1

ii MB500 User’s Manual
Acknowledgments
Award is a registered trademark of Award Software International,
Inc.
PS/2 is a trademark of International Business Machines
Corporation.
Microsoft Windows is a registered trademark of Microsoft
Corporation.
Winbond is a registered trademark of Winbond Electronics
Corporation.
All other product names or trademarks are properties of their
respective owners.

MB500 User’s Manual iii
Table of Contents
Introduction.......................................................1
MB500 Product Features.....................................................1
Checklist..............................................................................2
Specifications......................................................................3
Board Dimensions...............................................................4
Installations.......................................................5
Installing the Memory.........................................................6
Setting the Jumpers .............................................................7
Connectors on MB500 ......................................................11
Watchdog Timer Configuration........................................22
BIOS Setup.......................................................25
Drivers Installation......................................41
Entertainment Encryption/Decryption Controller Driver..42
VGA Drivers Installation ..................................................44
Audio Driver Installation ..................................................47
Appendix...........................................................51
A. I/O Port Address Map...................................................51
B. Interrupt Request Lines (IRQ)......................................52

iv MB500 User’s Manual
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INTRODUCTION
MB500 User’s Manual 1
Introduction
MB500 Product Features
The MB500 Mini ITX motherboard incorporates the AMD Geode LX
processor with speeds of 433MHz (LX700) or 500MHz (LX800). As of
this writing, it comes with two board versions, namely:
MB500 - AMD Geode LX700, 433MHz, Mini ITX motherboard w/
VGA, 10/100 LAN, CF
MB500F - AMD Geode LX800, 500MHz, Mini ITX motherboard
w/ VGA, dual 10/100 LAN, CF
The AMD Geode™ LX [email protected] processor delivers the most
performance per watt in the industry today, providing x86 power and
versatility to applications for entertainment, business, education, and
embedded markets. Its innovative architecture and high level of
integration enables small form-factor designs. The AMD Geode
[email protected] processor delivers great performance at lower power for
value, embedded applications, while delivering full x86 functionality.
MB500 FEATURES:
•Supports AMD Geode LX, 433MHz (LX700) / 500MHz
(LX800)
•DDR DIMM x 1, Max. 1GB memory
•One or two Realtek RTL8100C 10/100 Ethernet
•Integrated LX800/LX700 2D VGA controller
•Supports VGA CRT and TFT/LVDS LCD display
•4x USB 2.0, 4x COM, CompactFlash socket
•Watchdog timer, Digital I/O, 1x PCI, 1x Mini PCI

INTRODUCTION
2 MB500 User’s Manual
Checklist
Your MB500 package should include the items listed below.
•The MB500 Mini ITX board
•This User’s Manual
•1 CD containing chipset drivers and flash memory utility
•1 x I/O Shield
•Accompanying cables (IDE, COM, LPT)

INTRODUCTION
MB500 User’s Manual 3
Specifications
CPU AMD Geode LX
LX800 @ 500MHz (MB500F)
LX700 @ 433MHz (MB500)
Chipset AMD CS3356 chipset
BIOS Award BIOS, 4Mbit
System Memory One DDR socket supports up to 1GB DDR SDRAM
266/333/400 DDR SDRAM
Integrated VGA AMD LX800/LX700 built-in 2D graphics controller
Supports CRT and TFT LCD display
Supports 24-bit single channel LVDS
64MB shared memory
LAN One or two Realtek RTL8100C 10/100 Ethernet controller
RJ-45 on board
Audio Line in, Line out, Mic connectors on board
Multi I/O AMD CS5536 + Winbond W83627HG + Fintek F81216D
Supports 1x IDE, 1x FDD, 1x KB, 1x Mouse, 4x RS232, 1x LPT
IDE Interface One enhanced IDE channel supports 2 IDE devices; supports
UDMA33/66/100
FDD Interface Onboard slim FDD connector
Serial Ports Four Serial ports (COM2 configurable as RS422/485)
USB (2.0) Supports 4 USB ports (2 ports + 2 ports via pin header)
IrDA Pin header
Keyboard and Mouse
PS/2 type connector
Watchdog Timer Generates system reset; 256 levels
Hardware Monitoring
Built in W83627HG; monitors system/CPU temperature and voltage
Digital I/O 4 in / 4 out
Expansion Slot 1 PCI, 1 MiniPCI
CompactFlash Socket Type II
Edge Connectors PS/2 KB & Mouse, 4x USB, COM1, LPT, RJ45, VGA, LAN1 RJ45,
LAN2 RJ-45 (MB500F only)
Onboard Connectors/Headers
CF socket, COM2/3/4, IDE, FDD, USB, IrDA, 44-pin TFT interface
Form Factor Mini-ITX Motherboard
Dimensions 170mm x 170mm

INTRODUCTION
Board Dimensions
4 MB500 User’s Manual

INSTALLATIONS
MB500 User’s Manual 5
Installations
This section provides information on how to use the jumpers and
connectors on the MB500 in order to set up a workable system. The
topics covered are:
Installing the Memory.................................................................. 6
Setting the Jumpers...................................................................... 7
Connectors on MB500............................................................... 11
Watchdog Timer Configuration................................................. 22

INSTALLATIONS
Installing the Memory
The MB500 embedded board supports one DDR memory sockets for a
maximum total memory of 1GB in DDR memory type. The memory
module capacities supported are 128MB, 256MB, 512MB and 1GB.
Installing and Removing Memory Modules
To install the DDR modules, locate the memory slot on the embedded
board and perform the following steps:
1. Hold the DDR module so that the key of the DDR module aligns with
those on the memory slot.
2. Gently push the DDR module in an upright position until the clips of
the slot close to hold the DDR module in place when the DDR module
touches the bottom of the slot.
3. To remove the DDR module, press the clips with both hands.
DDR Module
LockLock
Lock Lock
6 MB500 User’s Manual

INSTALLATIONS
MB500 User’s Manual 7
Setting the Jumpers
Jumpers are used on MB500 to select various settings and features
according to your needs and applications. Contact your supplier if you
have doubts about the best configuration for your needs. The following
lists the connectors on MB500 and their respective functions.
Jumper Locations on MB500 ......................................................... 8
JP2: Voltage Setting for LVDS...................................................... 9
JP6: Clear CMOS Contents............................................................ 9
JP3, JP4, JP5: RS232/422/485 (COM2) Selection......................... 9
JP7: Case Open Setting ................................................................ 10
JP8: CompactFlash Master/Slave Selection ................................. 10
JP9: ATX/AT Mode Select ......................................................... 11

INSTALLATIONS
Jumper Locations on MB500
Jumpers on MB500...............................................................................Page
JP2: Voltage Setting for LVDS ..................................................................9
JP6: Clear CMOS Contents ........................................................................9
JP3, JP4, JP5: RS232/422/485 (COM2) Selection......................................9
JP7: Case Open Setting.............................................................................10
JP8: CompactFlash Master/Slave Selection..............................................10
JP9: ATX/AT Mode Select ......................................................................11
8 MB500 User’s Manual

INSTALLATIONS
JP2: Voltage Setting for LVDS
Jumper Setting Function
Pin 1-2
Short/Closed 5V
Pin 2-3
Short/Closed 3.3V
JP6: Clear CMOS Contents
Note: Disconnect the ATX-power connector from the board before
clearing CMOS.
Jumper Setting Function
Pin 1-2
Short/Closed Normal
Pin 2-3
Short/Closed Clear CMOS
JP3, JP4, JP5: RS232/422/485 (COM2) Selection
COM1 is fixed for RS-232 use only.
COM2 is selectable for RS232, RS-422 and RS-485.
The following table describes the jumper settings for COM2 selection.
COM2
Function RS-232 RS-422 RS-485
Jumper
Setting
(pin closed)
JP3:
3-5 & 4-6
JP4:
3-5 & 4-6
JP5:
1-2
JP3:
1-3 & 2-4
JP4:
1-3 & 2-4
JP5:
3-4
JP3:
1-3 & 2-4
JP4:
1-3 & 2-4
JP5:
5-6
MB500 User’s Manual 9

INSTALLATIONS
JP7: Case Open Setting
Jumper Setting Function
Short/Closed Case open
Open Case closed
JP8: CompactFlash Master/Slave Selection
Jumper Setting Function
Short/Closed Slave
Open Master
JP9: ATX/AT Mode Select
Remarks: This jumper is supported only on board version 1.1 and
above.
Jumper Setting Function
Pin 1-2
Short/Closed ATX Mode (default)
Pin 2-3
Short/Closed AT Mode
10 MB500 User’s Manual

INSTALLATIONS
MB500 User’s Manual 11
Connectors on MB500
The connectors on MB500 allows you to connect external devices such
as keyboard, floppy disk drives, hard disk drives, printers, etc. The
following table lists the connectors on MB500 and their respective
functions.
Connector Locations on MB500 .................................................. 12
CN1: DC Jack (DC in, 12V only) ................................................ 13
CN2: PS/2 Keyboard and Mouse Connectors.............................. 13
CN3: COM1 Serial Port ............................................................... 13
CN4: Parallel Port Connector....................................................... 14
CN5: VGA CRT connector.......................................................... 14
CN6: 10/100 RJ45 Connector (for MB500F only)....................... 15
CN7: 10/100 RJ45 and USB Connectors ..................................... 15
CN8: Line Out, Line In, Mic Connector ...................................... 15
CN9: Compact Flash Socket ........................................................ 15
PCI1: PCI Slot.............................................................................. 15
DDR1: 184-pin DDR DIMM Socket ........................................... 15
J2: ATX Power Supply Connector............................................... 16
J3: LVDS Connector.................................................................... 16
J4: LCD Inverter Connector......................................................... 17
J5: LCD (TTL) Connector............................................................ 17
J6, J7, J8: COM2, COM3, COM4 Serial Ports............................. 18
J9: IrDA Connector...................................................................... 18
J10: Digital 4-in 4-out I/O Connector .......................................... 19
J11: Mini PCI Socket ................................................................... 19
J12: For Right Speaker................................................................. 19
J13: Wake On LAN Connector .................................................... 19
J14: For Left Speaker................................................................... 19
J15: USB Connector (USB2/USB3)............................................. 19
J16: Front I/O Connector.............................................................. 20
J17: Function Connector .............................................................. 20
J18: CD-In Audio Connector ....................................................... 20
FDD1: Floppy Drive Connector................................................... 20
IDE1: Primary IDE Connector..................................................... 21
FAN1, FAN2: Fan Power Connectors ......................................... 21

INSTALLATIONS
Connector Locations on MB500
Connectors on MB500
12 MB500 User’s Manual

INSTALLATIONS
CN1: DC Jack (DC in, 12V only)
CN2: PS/2 Keyboard and Mouse Connectors
PS/2 Mouse
PS/2 Keyboard
Signal Name Keyboard Mouse Signal Name
Keyboard data 1 1 Mouse data
N.C. 2 2 N.C.
GND 3 3 GND
5V 4 4 5V
Keyboard clock 5 5 Mouse clock
N.C. 6 6 N.C.
CN3: COM1 Serial Port
CN3 (COM1) is a DB-9 connector serial port.
Signal Name Pin # Pin # Signal Name
DCD, Data carrier detect 1 6 DSR, Data set ready
RXD, Receive data 2 7 RTS, Request to send
TXD, Transmit data 3 8 CTS, Clear to send
DTR, Data terminal ready 4 9 RI, Ring indicator
GND, ground 5 10 Not Used
MB500 User’s Manual 13

INSTALLATIONS
14 MB500 User’s Manual
CN4: Parallel Port Connector
Signal Name Pin # Pin # Signal Name
Line printer strobe 1 14 AutoFeed
PD0, parallel data 0 2 15 Error
PD1, parallel data 1 3 16 Initialize
PD2, parallel data 2 4 17 Select
PD3, parallel data 3 5 18 Ground
PD4, parallel data 4 6 19 Ground
PD5, parallel data 5 7 20 Ground
PD6, parallel data 6 8 21 Ground
PD7, parallel data 7 9 22 Ground
ACK, acknowledge 10 23 Ground
Busy 11 24 Ground
Paper empty 12 25 Ground
Select 13 N/A N/A
CN5: VGA CRT connector
Signal Name Pin # Pin # Signal Name
Red 1 2 Green
Blue 3 4 N.C.
GND 5 6 GND
GND 7 8 GND
N.C. 9 10 GND
N.C. 11 12 N.C.
HSYNC 13 14 VSYNC
NC 15

INSTALLATIONS
MB500 User’s Manual 15
CN6: 10/100 RJ45 Connector (for MB500F only)
CN7: 10/100 RJ45 and USB Connectors
CN7 is a stacked connector with RJ45 on top and 2 USB ports at the
bottom.
CN8: Line Out, Line In, Mic Connector
CN9: Compact Flash Socket
PCI1: PCI Slot
DDR1: 184-pin DDR DIMM Socket

INSTALLATIONS
J2: ATX Power Supply Connector
11 1
20 10
Signal Name Pin # Pin # Signal Name
3.3V 11 1 3.3V
-12V 12 2 3.3V
Ground 13 3 Ground
PS-ON 14 4 +5V
Ground 15 5 Ground
Ground 16 6 +5V
Ground 17 7 Ground
-5V 18 8 Power good
+5V 19 9 5VSB
+5V 20 10 +12V
The MB500 that you have received comes with a 2x4 connector
that can be inserted into the J2 ATX power connector to be used
with the PW94 accessory cable to serve as a power cable for a
hard disk or CD-ROM.
Accessory 2x4 Connector for HDD or CD-ROM power use
Signal Name Pin # Pin # Signal Name
Ground 17 7 Ground
18 8
+5V 19 9
+5V 20 10 +12V
J3: LVDS Connector
[
Signal Name Pin # Pin # Signal Name
TX0- 2 1 TX0+
Ground 4 3 Ground
TX1- 6 5 TX1+
5V/3.3V 8 7 Ground
TX3- 10 9 TX3+
TX2- 12 11 TX2+
Ground 14 13 Ground
TXC- 16 15 TXC+
5V/3.3V 18 17 ENABKL
+12V 20 19 +12V
16 MB500 User’s Manual